package binaryTree;

//最小公共祖先
public class LeetCode_LCR170 {

    //节点结构
    public class TreeNode {
        int val;
        LeetCode_110.TreeNode left;
        LeetCode_110.TreeNode right;
        TreeNode() {}
        TreeNode(int val) { this.val = val; }
        TreeNode(int val, LeetCode_110.TreeNode left, LeetCode_110.TreeNode right) {
            this.val = val;
            this.left = left;
            this.right = right;
        }
    }




}
